Monomer Construction

Constructing Monomers of Macromolecules

Instructions:

Use the organic model sets to construct each of the following monomers. Models will be 3-dimensional in shape. Use the following color code for atoms — Carbon (black), Oxygen (red), Hydrogen (yellow), and Nitrogen (blue). Springs will represent double bonds and wooden sticks represent single bonds.

Glycerol

Glycine

Fatty Acid

Cytosine

Glucose C6H12O6

Questions:

1. What is a disaccharide?

2. What reaction is necessary to form a polysaccharide?

3. What elements make up lipids and carbohydrates?

4. What 4 things are attached to the center carbon in an amino acid?

5. What serves as the “backbone” for a fat or triglycerides?

6. Name a fatty acid.

7. How does an unsaturated fatty acid differ from a saturated fatty acid?

8. Name the 4 bases on DNA.

9. What base appears on RNA , but not on DNA?

10. Name the elements in:

a. amino acids?

b. nucleic acids?

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